Sade

Popular questions and responses by Sade
  1. Calculus

    Given ||v|| = 5 theta=30 degrees, write the vector v.

    asked on November 2, 2016
  2. Pre-Calculus

    Use a calculator to approximate two values of theta (0

    asked on September 27, 2016
  3. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Cos(A-B).

    asked on October 6, 2016
  4. chemistry

    a sheet of gold weighing 10.0g and at a temperature of 18.0 degrees c is placed flat on a sheet of iron weighing 20.0g and a tenp. of 55.6 degrees c. what is the final temp. of the combined metals? assume that no heat is lost to the surroundings.

    asked on July 10, 2011
  5. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Sin(A-B).

    asked on October 6, 2016
  6. Trig

    Given tan(A) = 2 and A is in Quadrant I, find tan(2A). A. -1/3 B. 2/3 C. -4/3 D. -2/3

    asked on October 7, 2016
  7. chemistry

    When 15.0 g of steam drops in temperature from 275.0 degrees c to 250.0 degrees, how much heat energy is released

    asked on July 9, 2011
  8. Physics

    A blacksmith dropped a 1.5kg iron bead at 300c into some quantity of water. If the temperature of the water from 15c to 18c, what is the mass of water assuming no heat is lost to the surrounding?(Take the specific heat of iron as 0.46jkg-1 and that of

    asked on June 27, 2019
  9. Physics

    The electronic configuration of an element X is: 1s² 2s² 2p6 3s2 3p5 Deduce the atomic number of X To what group does it belong Give two properties of the group to which the element X belong. Identify element X by name. Write a balanced equation to

    asked on June 27, 2019
  10. Pre-Calculus

    Find first differences for the sequence in order from a_1 to a_5. Determine whether or not the series is quadratic or not.(I used _ as a sign for a subscript) -1, -3, -1, 5, 15 A. 2, 2, 6, 10; not quadratic B. 2, 2, 6, 10; quadratic C. -2, 2, 6, 10; not

    asked on December 12, 2016
  11. Math

    r=4/(-2-6sinϴ) 1. What is the eccentricity of the function? 2. What is the distance between the pole and the directrix? 1. A. 2 B. -2 C. 3 D. -3 2. A. 2 B. 2/3 C. 3 D. 6

    asked on December 4, 2016
  12. Calculus

    I apologize if this question is too much to ask on this site, but I am really confused. Any help would be greatly appreciated. The famous formula shown below is called Euler’s formula, after the Swiss mathematician Leonhard Euler (1707-1783). e^(a + bi)

    asked on November 7, 2016
  13. Calculus

    A plane traveling 500 mph (called airspeed) in the direction 120 degrees encounters a wind of 80 mph in the direction of 45 degrees. What is the resultant direction of the plane (in degrees)?

    asked on November 2, 2016
  14. Trig

    Use the half-angle formula to simplify (sin4theta)/(1+cos4theta)

    asked on October 17, 2016
  15. Trig

    If angle A is 45 degrees and angle B is 60 degrees. Find sin(A)cos(B), find cos(A)sin(B), find sin(A)sin(B), and find cos(A)cos(B) The choises for the first are: A. 1/2[sin(105)+sin(345)] B. 1/2[sin(105)-sin(345)] C. 1/2[sin(345)+cos(105)] D.

    asked on October 8, 2016
  16. Pre-Calculus

    Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Cos(A+B).

    asked on October 6, 2016
  17. Pre-Calculus

    Define the inverse secant function by restricting the domain of the secant function to the intervals (0, pi/2) and (pi/2, pi), and sketch the inverse function’s graph.

    asked on August 30, 2016
  18. ENGLISH

    Which word is most similar to morose? sensitive silly unhappy stubborn no sure but i it might be sensitive

    asked on March 30, 2015
  19. psy/315

    I need someone to help me answer this question please. What is the five-step process for hypothesis testing, and explain the procedure and logic for each.

    asked on October 1, 2013
  20. Chemistry

    How much energy must be absorbed by 20.0 g of water to increase its temperature from 283.0 degrees c to 303.0 degrees c

    asked on July 9, 2011
  21. Chemistry

    A quantity of gas weighing 7.10g at 741 torr and 44 degrees C occupies a volume of 5.40 L. What is its molar mass?

    asked on July 8, 2011
  22. u.s history

    why was the united nation formed after war world two It looks as if what you need to do is learn how to conduct thorough and effective searches for yourself. That's what research is, and I'm sure that's what your teacher expects you to do -- conduct

    asked on May 17, 2007
  23. Physics

    When a 5kg mass is hung from a vertical spring,it streches by 25cm.(a)what mass must be supported by d spring in order to make d system vibrate wit a period of 1s.(b)if d amplitude of d motion is 5cm,determine d position nd d velocity of d mass 0.3s afta

    asked on June 26, 2019
  24. Physics

    an electric appliance takes 5A when operated on a 220V supply. Find the cost of operating the appliance for days at 2 kobo per kwh?

    asked on June 25, 2019
  25. Calculus

    Which would be the best option for finding the limit? lim (1-2x-3x^2)/1+x x->-1 A.Direct substitution B.Dividing out technique C.Rationalization technique D.Indeterminate form

    asked on December 12, 2016
  26. Calculus

    Find a quadratic model for the sequence. -4, -4, -3, -1, 2 A.y = 0.5x^2 - 0.5x - 4 B.y = 0.5x^2 - 1.5x - 3 C.y = 4.5x^2 - 21.5x+21 D.y = -4.5x^2 + 21.4x - 21

    asked on December 12, 2016
  27. Calculus

    Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. A.1 B.2 C.3 D.5

    asked on December 12, 2016
  28. Pre-Calculus

    Given: r = 4/(-2-6sinθ) What is the distance between the pole and the directrix? A. 2 B.2/3 C.3 D.6

    asked on December 3, 2016
  29. Calculus

    Given: r = 4/(-2-6sinθ) What is the eccentricity of the function? A. 2 B. -2 C. 3 D. -3

    asked on December 3, 2016
  30. Calculus

    Given: 5cos6Θ What is the shape of the function? A. Limacon B. Rose C. Lemniscate D. Circle

    asked on December 3, 2016
  31. Pre-Calculus

    Convert to Rectangular: r*tan theta/sec theta=2 A. y=2 B. y=1/2 C. x=2 D. x=1/2

    asked on December 2, 2016
  32. Calculus

    Convert to Polar: y/x = 4 A. r = 2 B. r = 16 C. Θ = 76 D. Undefined

    asked on December 2, 2016
  33. Calculus

    convert to polar: 2xy=3 A. r=sqrt(3sin theta cos theta) B. r=sqrt[(3sin theta cos theta)/2] C. r=[3/(2sin theta cos theta)] D.This cannot be converted without ambiguity.

    asked on December 2, 2016
  34. Calculus

    find the angle between u=7i+2j and v=-4j

    asked on November 9, 2016
  35. Calculus

    What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

    asked on November 7, 2016
  36. Pre-Calculus

    What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

    asked on November 7, 2016
  37. Pre-Calculus

    Use the following vectors to answer the question. u: v: What is the projection of u onto v?

    asked on November 5, 2016
  38. Calculus

    Given the vectors u = and v = , find -½ u. A. B. C. D.

    asked on October 28, 2016
  39. Trig

    Write 3theta - sin 4theta as a product.

    asked on October 17, 2016
  40. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, what is the Quadrant of A-B?

    asked on October 6, 2016
  41. Pre-Calculus

    Find two exact values of theta in degrees (0 less than or equal to theta < 360°) if cos theta = -(square root of 2)/2.

    asked on September 27, 2016
  42. Pre-Calculus

    Use a calculator to approximate two values of theta (0

    asked on September 27, 2016
  43. psych

    What is the Importance of Research in Behavioral Science?

    asked on February 22, 2016
  44. Psy

    What effect does the environment have on intellectual differences in humans?

    asked on April 15, 2014
  45. science

    Please help balance this: CH3COO + CrO4 + H = Cr(OH)3 + CO2 + H2O

    asked on March 18, 2014
  46. PSY/340

    I need help finding information on this question please. Discuss the importance of lifelong learning and brain stimulation to longevity and quality of life.

    asked on November 9, 2013
  47. psy/340

    I need help finding information on the topic Repetitive Transcranial Magnetic Stimulation for the Treatment of Chronic Tinnitus After Traumatic Brain Injury please. I have to discuss the deficits experienced by the individual to one or more of the five

    asked on November 9, 2013
  48. psy/340

    I need help answering this question please. Discuss the influences of biology and the environment on sexual differentiation.

    asked on November 5, 2013
  49. psychology

    I need help answering this question please. What is the relationship between genes, cells, and behavior?

    asked on October 16, 2013
  50. PSY

    I need help answering this question please. What is the relationship between genes, cells, and behavior?

    asked on October 16, 2013
  51. PSY/340

    I need help answering this question please. What is the relationship between genes, cells, and behavior?

    asked on October 15, 2013
  52. PSY/315

    I need help finding this answer please. Why is it said that hypothesis testing involves double negative logic?

    asked on September 27, 2013
  53. math

    the energy bar kyle is eating has 37 grams of carbohydrates.how many calories are from carbohydrates in the energy bar

    asked on May 3, 2013
  54. math

    find the functions f and g so that f.g=H: H(x)=sqrt x^2+3

    asked on March 23, 2013
  55. economics

    Median income in a country rises by $5000 per year. The price of good X falls by $4. Quantity demanded for good x falls by 15,000 units per year. What can we say with good X?

    asked on February 13, 2013
  56. social studies

    origin of man efik believe christian believe islamic believe yoruba believe igbo believe hausa believe tiv believe badagry believe

    asked on October 10, 2010
  57. home economics

    what is home economics? home economics is and education for better living,and its stufy deals with all aspects of family life.

    asked on September 27, 2010
  58. delinquency

    how dose gender affect delinquency

    asked on June 14, 2010
  59. Justice

    Differentiate between general deterrence, specific deterrence, and situational crime prevention.

    asked on May 27, 2010
  60. u.s history

    how did the u.s force japan to surrender and bring an end to the war world two The US dropped the atomic bombs on Japan, and they surrendered. Go to http://www.google.com and look up enola gay -- it'll be crystal clear!!

    asked on May 17, 2007
  1. chemistry

    X2CO3.10H2O

    posted on February 10, 2020
  2. L.A

    roman is right

    posted on March 16, 2019
  3. Language Arts Check please

    help....plz? is correct

    posted on December 13, 2018
  4. Language Arts

    Yes, A D B is the correct order.

    posted on December 13, 2018
  5. Math

    Thanks Zeriku

    posted on December 12, 2018
  6. Math

    101

    posted on December 4, 2018
  7. Trig

    choices*

    posted on October 8, 2016
  8. english

    Which one of the following statements contains a simile? A. The maple wears a gayer scarf. B. The soaring bird quickly disappeared from our sight. C. The woods went up in flame. D. I think that I shall never see a poem lovely as a tree.

    posted on May 28, 2014
  9. math

    thank you :)

    posted on March 23, 2013
  10. geometry

    find uw if vw = 5/8 in

    posted on August 13, 2012
  11. Economics

    Which of the following statements is true for a capitalist economy?

    posted on October 4, 2011